A magnetic field directed into the page changes with time according to B = 4.0 - 0.025t. where B is in teslas and t is in seconds. The field has a circular cross section of radius R = 7.0 cm. x x x XX x P2 x x x x x x x x x 7X x x * x x x x x X* x x x X x x x x x X x Bin (a) When t = 3.5 s and r2 =0.05 m, what is the magnitude of the electric field at P2? x x
A magnetic field directed into the page changes with time according to B = 4.0 - 0.025t. where B is in teslas and t is in seconds. The field has a circular cross section of radius R = 7.0 cm. x x x XX x P2 x x x x x x x x x 7X x x * x x x x x X* x x x X x x x x x X x Bin (a) When t = 3.5 s and r2 =0.05 m, what is the magnitude of the electric field at P2? x x
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Transcribed Image Text:A magnetic field directed into the page changes with time according to B = 4.0 - 0.025t. where B is in teslas and t is in seconds. The field has a circular
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cross section of radius R = 7.0 cm.
1 * X
P2
* * x x x
1 x x7X x
x x x
* * x x
* x x x x
x x x x x
Bin
www.
(a) When
= 3.5 s and r2 =0.05 m, what is the magnitude of the electric field at P2?
E =
N/C
x x *
Transcribed Image Text:(b) What is the direction of the electric field at P2?
O No electric field
O perpendicular to r2 and clockwise
O perpendicular to r2 and counterclockwise
O Out of the page
O Into the page
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